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Carlo Rovelli: complexity and value

September 21, 2026 · 42 min

Show notes

What can we really know about the world around us and our place within it? On Radio 4's weekly discussion programme, Adam Rutherford is joined by three guests who explore the values that shape our lives and the things that still matter even when they cannot easily be counted, explained or priced.

The theoretical physicist and internationally acclaimed writer Carlo Rovelli discusses his new book On the Equality of All Things: Physics and Philosophy (translated by Simon Carnell). Drawing on modern physics and philosophical inquiry, he explores the relationships between minds and matter, ideas and objects, and asks us to reconsider how we understand the world and our place within it.

The poet and writer Lavinia Greenlaw has drawn on science in her work. She talks about On Difficulty (and Poetry), her exploration of why difficult experiences, ideas and works of art can be so rewarding. She argues that resistance and complexity are not obstacles to understanding but can open up new ways of seeing and thinking.

And the award-winning playwright James Graham discusses The Standard of Living, his new play about the economist John Maynard Keynes. Set amid economic crisis and social change, it asks what makes a good life and whether art, love and human connection might matter more than wealth and power.

Producer: Katy Hickman Assistant Producer: Natalia Fernandez

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